whack (n.)

  1. the sound made by a sharp swift blow

  2. the act of hitting vigorously; he gave the table a whack

    [ Syn: knock , belt , rap , whang ]

    whack (v.)

  1. hit hard; The teacher whacked the boy

    [ Syn: wham , whop , wallop ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.